NIC 390003 - Industrial & Nuclear Decontamination activities
NIC 390003 classifies industrial & nuclear decontamination activities as a final six-digit business activity under Section E and Division 39. Use it when this activity is the main source of revenue.
Source Verification for 390003
2 of 4 factors passing
- Verified in official source - Found in NIC_2025.xlsx official MoSPI release dataset.
- International crosswalk available - No official ISIC/NACE/CPC/ISCO correspondence table is bundled in this build input set.
- Migration from previous edition - No legacy migration candidate found in the NIC 2008 converter layer for this code.
- Complete hierarchy chain - All parent levels exist: Section > Division > Group > Class > Sub-class (5 levels).
- Official size/threshold documented - No official code-level size or threshold dataset is included in this source bundle.
- Trade or export crosswalk match - No official NIC-to-HS/export correspondence table is bundled in this source bundle.
- Legacy national crosswalk - No linked NIC 2008 legacy code is available for this record in the current converter layer.
What Industrial & Nuclear Decontamination activities Means Under NIC 2025
NIC 390003 is the final six-digit endpoint for Industrial & Nuclear Decontamination activities. It should be selected only when the enterprise's primary business activity matches this title more closely than 390001 Soil & Groundwater Remediation activities, 390002 Surface water and coastal cleaning servicies, 390004 Other specialized pollution-control activities excluding carbon capture and storage.
When to Choose 390003 Over Nearby Codes
Choose 390003 only when operations, invoices and revenue narrative align with Industrial & Nuclear Decontamination activities. If the activity also includes 390001 Soil & Groundwater Remediation activities, 390002 Surface water and coastal cleaning servicies, 390004 Other specialized pollution-control activities excluding carbon capture and storage, compare those pages before filing.
In this section
Common Questions About NIC 390003
Does NIC 390003 cover only industrial & nuclear decontamination activities?
Use this code only when industrial & nuclear decontamination activities is the closest description of the actual business activity. If revenue comes from trading, processing, support services or a different output, compare the relevant sibling or downstream Division.
When should I avoid NIC 390003?
Avoid this code if the business merely supplies, transports, sells or supports this activity without performing the core business activity. In that case, choose the trade, transport, service or manufacturing code that describes what the business actually does.
How do I verify that NIC 390003 is correct before filing?
Check the parent hierarchy, compare 390001 Soil & Groundwater Remediation activities, 390002 Surface water and coastal cleaning servicies, 390004 Other specialized pollution-control activities excluding carbon capture and storage, and confirm that the official title matches the main revenue activity. For regulated or filing-critical decisions, verify the source row in the MoSPI dataset.
What happens if I use the wrong NIC code in Udyam or MCA registration?
A wrong code can cause mismatched business descriptions, follow-up questions or later compliance cleanup. It is better to compare nearby codes before filing than to correct a weak classification later.
Is there a legacy NIC 2008 equivalent for NIC 390003?
Use the legacy converter only as a migration aid. Old NIC 2008 matches can suggest where to look, but NIC 2025 should remain the primary reference for new code selection.
Before you select NIC 390003
NIC 390003 should be selected only when the official title matches the main revenue-generating activity. If the business also trades, transports, processes, installs or supports the same product or service, compare nearby NIC pages before filing. This reduces the risk of choosing a code that describes the product being handled rather than the activity your enterprise actually performs.
Data Source and Verification Date
Source layer
Official NIC 2025 Excel and PDF from MoSPI.
Last verified
2026-04-21 from the generated NIC 2025 source layer used in this build.
Disclaimer
This is an independent reference tool. Verify filing-critical decisions in official sources.